Rachael Ceallaigh Yoon is usually mischievous and obscene to the public eye, taking it after her sister Pracila. But after being sent to a traditional boarding school in Seoul, the prime minister's son Seok Han-seong seemingly falls for her and they form a quirky, but undoubtful bond. But a year before she met him, Rachael reads a story that is coincidentally about her ancestor and the intense love she felt for the prince of Silla, somehow foreshadowing her encounter with Han-seong.

A few years later, Han-seong proposes to Rachael, but there is a chaotic backstory about how this comes to be.